/**
* Do the actual search and return results
*
* @param Query $search search object
* @param int $start [optional] starting record number
* @param int $max [optional] max records
* @param string $sort [optional] sort order
* @param bool $facets [optional] whether to include facets
*
* @return Results
*/
protected function doSearch(Search\Query $search, $start = 1, $max = 10, $sort = "", $facets = true)
{
$results = new Search\ResultSet($this->config);
$query = $search->toQuery();
$this->url = $this->server . "/search?q=" . urlencode($query);
if ($this->config->getConfig('client')) {
$this->url .= '&client=' . urlencode($this->config->getConfig('client'));
}
if ($this->config->getConfig('site')) {
$this->url .= '&site=' . urlencode($this->config->getConfig('site'));
}
$this->url .= '&output=xml';
// google results are 0-based
if ($start != null) {
$start = $start - 1;
$this->url .= '&start=' . $start;
}
// echo $this->url; exit;
$client = Factory::getHttpClient();
$google_results = $client->getUrl($this->url, 3);
$xml = simplexml_load_string($google_results);
// header("Content-type: text/xml"); echo $xml->saveXML(); exit;
$x = 0;
// exact matches
foreach ($xml->GM as $gm) {
$record = new Record();
$record->loadXML($gm);
$results->addRecord($record);
}
// regular results
$results_array = $xml->xpath("//RES");
if (count($results_array) > 0 && $results_array !== false) {
$results_xml = $results_array[0];
$results->total = (int) $results_xml->M;
foreach ($results_xml->R as $result_xml) {
if ($x >= $max) {
break;
}
$record = new Record();
$record->loadXML($result_xml);
$results->addRecord($record);
$x++;
}
}
return $results;
}
/**
* Do the actual search
*
* @param Query $search search object
* @param int $start [optional] starting record number
* @param int $max [optional] max records
* @param string $sort [optional] sort order
*
* @return Results
*/
protected function doSearch(Search\Query $search, $start = 1, $max = 10, $sort = "")
{
// convert query
$query = $search->toQuery();
// get results from Worldcat
$xml = $this->worldcat_client->searchRetrieve($query, $start, $max, $sort);
return $this->parseResponse($xml);
}
/**
* Do the actual search
*
* @param Query $search search object
* @param int $start [optional] starting record number
* @param int $max [optional] max records
* @param string $sort [optional] sort order
*
* @return Results
*/
protected function doSearch(Search\Query $search, $start = 1, $max = 10, $sort = "")
{
// limit to local users?
if ($search->getUser()->isAuthorized()) {
$this->summon_client->setToAuthenticated();
}
// prepare the query
$query = $search->toQuery();
// facets to include in the response
foreach ($this->config->getFacets() as $facet_config) {
if ($facet_config['type'] == 'date') {
$this->summon_client->setDateRangesToInclude((string) $facet_config["ranges"]);
} else {
$this->summon_client->includeFacet((string) $facet_config["internal"] . ",or,1," . (string) $facet_config["max"]);
}
}
// limit to local holdings unless told otherwise
if ($this->config->getConfig('LIMIT_TO_HOLDINGS', false)) {
$this->summon_client->limitToHoldings();
}
// limits
foreach ($search->getLimits(true) as $limit) {
if ($limit->field == 'newspapers') {
continue;
// we'll handle you later
}
// holdings only
if ($limit->field == 'holdings') {
if ($limit->value == 'false') {
// this is actually an expander to search everything
$this->summon_client->limitToHoldings(false);
} else {
$this->summon_client->limitToHoldings();
}
} elseif ($this->config->getFacetType($limit->field) == 'date') {
// @todo: make this not 'display'
if ($limit->value == 'start' && $limit->display != '') {
$this->summon_client->setStartDate($limit->display);
} elseif ($limit->value == 'end' && $limit->display != '') {
$this->summon_client->setEndDate($limit->display);
}
} else {
$value = '';
$boolean = 'false';
if ($limit->boolean == "NOT") {
$boolean = 'true';
}
// multi-select filter
if (is_array($limit->value)) {
// exclude
if ($boolean == 'true') {
foreach ($limit->value as $limited) {
$value = str_replace(',', '\\,', $limited);
$this->summon_client->addFilter($limit->field . ",{$value},{$boolean}");
}
} else {
foreach ($limit->value as $limited) {
$value .= ',' . str_replace(',', '\\,', $limited);
}
$this->summon_client->addComplexFilter($limit->field . ',' . $boolean . $value);
}
} else {
$value = str_replace(',', '\\,', $limit->value);
$this->summon_client->addFilter($limit->field . ",{$value},{$boolean}");
}
}
}
// format filters
// newspapers are a special case, i.e., they can be optional
if ($this->config->getConfig('NEWSPAPERS_OPTIONAL', false)) {
$news_limit = $search->getLimit('facet.newspapers');
if ($news_limit->value != 'true') {
$this->formats_exclude[] = 'Newspaper Article';
}
}
// always exclude these
foreach ($this->formats_exclude as $format) {
$this->summon_client->addFilter("ContentType,{$format},true");
}
// summon deals in pages, not start record number
if ($max > 0) {
$page = ceil($start / $max);
} else {
$page = 1;
}
// get the results
$summon_results = $this->summon_client->query($query, $page, $max, $sort);
return $this->parseResponse($summon_results);
}
/**
* Do the actual search and return results
*
* @param Query $search search object
* @param int $start [optional] starting record number
* @param int $max [optional] max records
* @param string $sort [optional] sort order
* @param bool $facets [optional] whether to include facets
*
* @return Results
*/
protected function doSearch(Search\Query $search, $start = 1, $max = 10, $sort = "", $facets = true)
{
// can't search on this field, so return 0
if ($this->query->hasUnsupportedField()) {
$results = new Search\ResultSet($this->getConfig());
$results->total = 0;
return $results;
}
// convert query
$query = $search->toQuery();
// get results from Worldcat
$xml = $this->worldcat_client->searchRetrieve($query, $start, $max, $sort);
return $this->parseResponse($xml);
}
/**
* Do the actual search
*
* @param Query $search search object
* @param int $start [optional] starting record number
* @param int $max [optional] max records
* @param string $sort [optional] sort order
*
* @return Results
*/
protected function doSearch(Search\Query $search, $start = 1, $max = 10, $sort = "")
{
// prepare the query
$query = $search->toQuery();
// facets to include in the response
$facets_to_include = array();
foreach ($this->config->getFacets() as $facet_config) {
$facets_to_include[(string) $facet_config["internal"]] = (string) $facet_config["internal"] . ",or,1," . (string) $facet_config["max"];
}
// limits
$facets = array();
foreach ($search->getLimits(true) as $limit) {
// remove chosen facet from response
// @todo: make multi-value facets selectable
$facets_to_include = Parser::removeFromArray($facets_to_include, $limit->field);
array_push($facets, $limit->field . "," . str_replace(',', '\\,', $limit->value) . ",false");
}
// set actual response facets
$this->summon_client->setFacetsToInclude($facets_to_include);
// filter out formats
foreach ($this->formats_exclude as $format) {
array_push($facets, "ContentType,{$format},true");
}
// holdings only
if ($search->isHoldingsOnly()) {
$this->summon_client->limitToHoldings();
}
// summon deals in pages, not start record number
if ($max > 0) {
$page = ceil($start / $max);
} else {
$page = 1;
}
// get the results
$summon_results = $this->summon_client->query($query, $facets, $page, $max, $sort);
return $this->parseResponse($summon_results);
}
